Lost Lake – Patapsco Valley State Park loop from Catonsville
Lost Lake – Patapsco Valley State Park loop from Catonsville
3.1
(21)
22
riders
Lost Lake – Patapsco Valley State Park loop from Catonsville
01:20
20.6km
220m
Cycling
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: May 11, 2026
Tips
Includes a segment in which cycling is not permitted
After 7.60 km for 114 m
Waypoints
Start point
Bus stop
Get Directions
3.82 km
Patapsco Valley State Park Glen Artney Area
Highlight • Forest
Tip by
5.35 km
Lost Lake
Highlight • Lake
Tip by
7.65 km
Swinging Bridge, Patapsco Valley State Park
Highlight • Bridge
On the bridge you'll have great views of the river and surrounding woodland.
It isn't too high up, so even if you're afraid of heights it's still worth passing over the bridge. Be courteous of other pedestrians as the bridge is fairly narrow!
Tip by
7.77 km
Swinging Bridge and Patapsco Riverbank
Highlight • Bridge
The river is known as the River of History as it played an essential role in Maryland's Industrial Revolution that began towards the end of the 18th century.
The river flows through the Patapsco Valley State Park, winding through woodland and open countryside. There are a few good wild swimming spots too!
Tip by
9.57 km
Swinging Bridge on Grist Mill Trail
Highlight • Bridge
It is best to walk over the bridge as it is not very wide and there may be pedestrians.
The surface is mostly paved and quite flat so well suited to families and kids.
There are various historic sites of interest alongside the trail, including the famous swinging bridge, which was originally used by mill workers to cross the river.
Tip by
9.65 km
Tip by
10.8 km
Patapsco Valley State Park
Highlight • Forest
It's a great place for hiking, camping, canoeing, horseback riding and mountain biking. Or simply just bring a picnic and relax by the river.
Some historical sites are also worth visiting in the park such as the Thomas Viaduct and Orange Grove Flour Mill.
Tip by
20.6 km
End point
Bus stop
Way Types & Surfaces
Way Types
6.76 km
4.99 km
4.23 km
3.75 km
761 m
< 100 m
Surfaces
15.1 km
4.33 km
946 m
130 m
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Elevation
Highest point (150 m)
Lowest point (10 m)
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Weather
Powered by Foreca
Today
Friday 12 June
35°C
21°C
88 %
Additional weather tips
Max wind speed: 22.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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